Save guides, add subjects and pick up where you left off with your BBC account. The gradient of a velocity-time graph at a particular time gives the acceleration of the object at that time.

The speed-time graph in the question below shows how ... f) Which section could be described as having a negative acceleration? a) OA - the speed of the bus is changing. Therefore, according ...

(d) An object is moving in positive direction till time t 1, and then turns back with the same negative acceleration. In a V-T graph, the area under the curve represents the displacement over a ...